Hi

Sorry, I can't speak from experience on this one. I've never mod'ed a Behmor, personally - but I can at least tell you about the probes.

The most flexible, would be the Bluetherm Duo or Phidgets - either of these would let you choose a custom size K type thermocouple (or J type if you use Phidgets), which might be very helpful depending on where you choose to place it. There's lots of different sizes and diameters out there.

The iCelsius, of course, is a cheaper solution, but requires a wired connection to the iOS device. Also - its temperature range maxes out at 250° C (482° F). I'm not sure exactly what the internal temps of the Behmor are in the "hot zone", so you might want to take that into consideration. When I first talked to the iCelsius folks, I asked whether or not temp above 250° C would HARM the probe, or just make its reading unreliable. They said it shouldn't harm it, but it sounded like the the rep wasn't actually sure. So, take that into advisement. If the beans are reaching upwards of 220° C, I'm sure the radiant heat would drive the probe much higher if it were too close to the quartz elements, and, IMO, could potentially damage it. If you have another probe handy, and have already chosen a probe location and were interested in the iCelsius for cost reasons, you could do a test roast with that probe and see. Make sure to choose one of the profile/program combinations that reach max heat, though.

Hope this helps.

Danny

Hi Ben

Great! Thanks for sharing the pic - I love to see pics of different roasting setups.

Roast full-screen - definitely! That's actually the screencast I'm working on today.

Once you've setup the roast and saved or started it, the Analyzer button will be enabled (the crosshair/target button next to the gauge). Tap that and you can roast entirely in the analyzer. When you launch it, it will be showing the same data the roast console is showing.

Keep an eye out for the screencast - I'll be showcasing some of the analyzer's features. Deltas, curve selection, target mode and differential temp projections are the ones you'll probably be using the most.

Wow - thanks for sharing this! This is really exciting stuff!

I guess it would all depend on if they plan to create an SDK for iOS. I'll go back and read this in detail and see what I can glean from it. I've talked to a number of roaster manufacturers abut the possibility of having Roastmaster directly control a machine - this would be a great first step to that.

I'll contact them after the holidays and see what they can tell me.

Hello

All of my probe roasting is done on my quest, so any input I'd have is just speculative (I haven't mod'd my Behmor). That being said, I like the placement of this probe http://www.flickr.com/photos/11456365@N03/8728849167. Since there's no way to get a probe directly into the began mass, this looks like it would be a good tradeoff since it's near the bean mass. Looks like it would at least be a good indicator of the heat the beans are receiving, but still a little shielded so as not to be too near the heating elements.

For what it's worth, the ET on my Quest fluctuates a great deal from roast to roast. Now - I roast back-to-back a lot, and the fan variable contributes to this. The Behmor should be more constant than that, but still I think it's worth trying to keep the probe as close to the bean mass as possible.

I'm interested to know how you make out. If you take any pics I would love to see them.

Any questions on probes just let me know.

Danny

Hello

Live deltas are shown for curves when using data logging, but only node deltas are shown when entering data manually. I think what you're asking about is a way to show the difference between the live deltas of two different curves, am I correct? i.e. factor both live deltas together, then display the difference?

The stumbling block is that many people use many different types of curves. Linking two together in any predictable way isn't impossible, just something that, as of present, the app has no knowledge of. It's a concept I actually have given some thought to, though. Especially when designing the temp projections.

Speaking of - have you had a look yet at the temperature projections? Seems as though they may offer you some help. Select a curve and tap the crosshair in the side control dock. You'll see a target appear. Data logging users will find this a fairly accurate way of predicting temps as you approach first crack and onward. Manual entry is still helpful, just not as accurate as having a constant flow of data to calculate.

Hi Andy

You can take a screenshot in iOS by pressing the home button and power/sleep button at the same time - it will save to your camera roll. This will capture the whole screen - is that what you're looking to do?

As new probes come to market I definitely plan on supporting the ones that interface with iOS. Next on the list is the Range series.

Unfortunately, most probes are USB only which won't work in iOS, but seems that manufacturers are finally starting to fill that niche with Bluetooth and ethernet options.

If you see anything noteworthy, please let me know.